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A254577 as a simple table

na(n)
11
21
31
43
51
65
71
88
93
105
111
1218
131
145
155
1620
171
1818
191
2018
215
225
231
2456
253
265
278
2818
291
3031
311
3248
335
345
355
3675
371
385
395
4056
411
4231
431
4418
4518
465
471
48160
493
5018
515
5218
531
5456
555
5656
575
585
591
60132
611
625
6318
64112
655
6631
671
6818
695
7031
711
72264
731
745
7518
7618
775

[1,1,1,3,1,5,1,8,3,5,1,18,1,5,5,20,1,18,1,18,5,5,
 1,56,3,5,8,18,1,31,1,48,5,5,5,75,1,5,5,56,1,31,1,
 18,18,5,1,160,3,18,5,18,1,56,5,56,5,5,1,132,1,5,
 18,112,5,31,1,18,5,31,1,264,1,5,18,18,5]